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  1. Home
  2. /Glossary
  3. /Testnet
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blockchain

Testnet

A blockchain environment for testing where tokens have no real value.

Definition

A blockchain environment for testing where tokens have no real value. Developers test smart contracts on testnet before deploying to mainnet. You can usually get free testnet tokens from faucets.

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Related Terms

Mainnet

The live, production version of a blockchain where real transactions happen with real value.

Smart Contract

Self-executing code stored on a blockchain that runs when conditions are met.

ABI

Application Binary Interface.

Account Abstraction

A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.

ERC-4337

The Ethereum standard for account abstraction without changing the core protocol.

Account Model

The way Ethereum and many other chains track balances.

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Gas Tracker/tools/gas-tracker

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Ethereum Guide/learn/ethereum

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